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Gottfried Giritzer的作品

Cover for Gottfried Giritzer · Positive Project Management for a Change (Paperback Book) (2014)

Positive Project Management for ... (2014)

Gottfried Giritzer

Cover for Gottfried Giritzer · Positive Quality Management for a Change (Paperback Book) (2013)

Positive Quality Management for ... (2013)

Gottfried Giritzer